If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?

Why do Chinese men eat more rice than Japanese men do ?

I have lakes with no water, mountains with no stone and cities with no buildings. What am I?

How can you write nineteen in a manner that if we take out one, it becomes twenty?

In the figure, you can see nine stars. What you have to do is connect all of them by using just four line and without lifting your hand i.e. in a continuous flow.

A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?

Can you identify the hidden rebus in the image below?

You are mixing a mixture of cement and Sand with five gallons of water. You have a garden hose giving you all the water you need. The problem is that you only have a four-gallon bucket and a seven-gallon bucket and neither has graduation marks. Find a method to measure five gallons.

In my garden, I have many trees but only one of them is the mango tree. In these mango trees, there are some mangoes(as expected).

But after a strong wind, there are neither mangoes on the tree nor on the ground. Explain?